Find the perfect aftermarket Peterbilt 386 Air Conditioner Filters to improve your air quality. Keep your Peterbilt truck (and other models like 378, 379, and 389) cool and comfy with high-quality air conditioner filters. These filters trap dust and debris, ensuring your AC runs smoothly and reliably. Perfect for replacements or upgrades, they deliver long-lasting protection and optimal airflow. Stay comfortable on the road with these must-have filters!